# Perfect Structure vs PAX Materialcheck

The clearest difference is in-app purchases: PAX Materialcheck at none against Perfect Structure's 1. PAX Materialcheck also leads on ads (none vs shown). Perfect Structure's advantage is update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Perfect Structure sells 1 one-off in-app purchase. PAX Materialcheck asks for nothing beyond the download.

Perfect Structure ships an update every 2 days, PAX Materialcheck every 5 days. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Perfect Structure | PAX Materialcheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-structure/id1581860758/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gokhan Behcet Sahin](https://appshunter.io/developer/1409805750) | [X-CEN-TEK GmbH & Co. KG](https://appshunter.io/developer/1837639513) |

## What reviewers say

### Perfect Structure

[App page](https://appshunter.io/ios/app/perfect-structure/id1581860758)

Design and optimize reinforced concrete columns and beams with support for multiple international design codes and languages. Generate reports in PDF, CSV, and DXF formats, and share them with colleagues. Offers a user-friendly interface for quick and flexible structural analysis.

**Highlights:** Reinforced concrete column and beam design, Support for 5 international design codes, Multilingual support (8 languages), Output in PDF, CSV, and DXF formats, Modern and user-friendly interface, Design checks and optimal reinforcement calculation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perfect Structure Pro | $8.99 | one-time |


### PAX Materialcheck

[App page](https://appshunter.io/ios/app/pax-materialcheck/id6751945483)

**In-app purchases:** none


## Frequently asked questions

### Is Perfect Structure free?

Perfect Structure is free to download, with in-app purchases available.

### Is PAX Materialcheck free?

PAX Materialcheck is free to download, with no in-app purchases.

### Do Perfect Structure or PAX Materialcheck have ads?

Perfect Structure shows ads; PAX Materialcheck does not.

### Which is updated more often, Perfect Structure or PAX Materialcheck?

Perfect Structure ships an update every 2 days, and PAX Materialcheck every 5 days. Most recently, Perfect Structure was updated on October 11, 2026 and PAX Materialcheck on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*